Peginterferon alfa-2a is a form of recombinant interferon already indicated to treat chronic hepatitis B infection in people ...

Take with food in 2 divided doses, with peginterferon alfa-2a. ≥18yrs: Genotype 1, 4: (<75kg): 1g/day for 48 weeks; (≥75kg): 1.2g/day for 48 weeks. Genotype 2, 3: 800mg/day for 24 weeks.

Peginterferon alfa-2a, sold as Pegasys, is used to treat chronic hepatitis B and C as well as other blood diseases. Unexpectedly high demand for the medicine has led to shortages that the EMA said ...